ISO 13165-2:2022
International Standard
Current Edition
Approved on
19 September 2022
Water quality — Radium-226 — Part 2: Test method using emanometry
ISO 13165-2:2022 Files
null Pages
Current Edition
ISO 13165-2:2022 Scope
This document specifies a test method to determine radium-226 (226Ra) activity concentration in all types of water by emanometry.
The test method specified is suitable for the determination of the soluble, suspended and total 226Ra activity concentration in all types of water with soluble 226Ra activity concentrations greater than 0,02 Bq l−1.
The decay chains of 238U and 232Th are given in Annex A. Figure A.1 shows the 238U and its decay chain.
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